Best Top End Gasket Kits

Are you looking for the best top end gasket kits? We provide tested reviews and top picks to help you find the perfect fit for your engine.

Top end gasket kits are essential for keeping your engine running smoothly. They seal and protect vital parts, preventing leaks and damage. Choosing the right kit can save you time and money.

These kits come in various sizes and materials, fitting different makes and models. Whether you’re a DIY enthusiast or a pro mechanic, the right kit makes repairs easy and reliable.

We’ve tested and reviewed the best top end gasket kits to help you find the perfect match. Discover the top picks and learn how to choose the best one for your needs.

List of Top 10 Top End Gasket Kits

Title	Best For	Price
BIGLKNM Top End Gasket Kit for Harley Davidson EVO Big Twin 80ci 1340CC	This BIGLKNM Top End Gasket Kit is perfect for Harley Davidson EVO Big Twin owners who need a reliable and durable solution for their engine gaskets. It’s ideal for those with 1994-1998 Dyna, 1986-1998 Softail, or Tour Glide models looking to extend engine life and improve performance.	View on Amazon (paid link)
Tusk Top End Gasket Kit Compatible with Honda TRX 400EX 1999-2008/400X 2009-2014/XR400R 1996-2004	This Tusk Top End Gasket Kit is perfect for riders who need to rebuild their motorcycle or ATV’s top end. It’s ideal for Honda TRX 400EX, 400X, or XR400R owners looking for high-quality, reliable parts.	View on Amazon (paid link)
Tusk Top End Gasket Kit Compatible with Honda TRX 300FW 4X4 1988-1998/TRX 300P 1988-1998	This Tusk Top End Gasket Kit is perfect for Honda TRX 300FW 4X4 and TRX 300P owners who need to rebuild their ATV’s top end. It’s ideal for those seeking high-quality, complete kits to get their vehicle running smoothly again.	View on Amazon (paid link)
Hoypeyfiy Top and Bottom end Complete Gasket Kit Set Replacement for Yamaha Warrior Raptor Big Bear 350	This gasket kit is perfect for Yamaha owners who need a reliable replacement for their Big Bear, Bruin, Kodiak, Raptor, or Warrior 350/400 models. It’s easy to install and fits multiple years, making it ideal for ATV enthusiasts.	View on Amazon (paid link)
Street Sport Industries Top End Gasket Kit for Harley Engine EVO Big Twin 80ci 1340CC 1984–1998, Silicone Standard Bore HeadGasket, Rocker CoverGasket & More, Compatible with Standard Bore Engines	This top-end gasket kit is perfect for Harley EVO owners who want to refresh their engine or restore a classic bike. It’s great for DIY riders or pro mechanics looking for a reliable, all-in-one solution.	View on Amazon (paid link)
Vertex Top End Gasket Kit for Polaris ATV Sportsman 400 HO 4×4 1995-2014	This Vertex Top End Gasket Kit is perfect for Polaris ATV Sportsman 400 HO 4×4 owners who need a reliable replacement for their 1995-2014 models. It’s ideal for those seeking OEM-quality parts that fit and perform like the originals.	View on Amazon (paid link)
BIGLKNM 57 PCS Top End Gasket for Sportster 1200 Sport Custom XLH1200 91-03	This 57-piece gasket kit is perfect for motorcycle enthusiasts who own a Sportster 1200 and want to rebuild their engine with high-quality, long-lasting parts. It’s easy to install and comes with everything needed for a leak-free repair.	View on Amazon (paid link)
BH-Motor New Complete Gasket Kit Top & Bottom End Set for Honda 400EX TRX400EX TRX 400EX 1999-2004	This gasket kit is perfect for Honda TRX400EX owners who need a reliable replacement for their 1999-2004 model. It’s ideal for those looking to restore their ATV’s performance.	View on Amazon (paid link)
Tusk Top End Gasket Kit Compatible with Yamaha YFZ 450 2004-2013/YZ450F 2003-2005/WR450F 2003-2006	This product is perfect for Yamaha off-road riders and DIY mechanics who own a 2004-2013 YFZ 450, 2003-2005 YZ450F, or 2003-2006 WR450F and need to rebuild their top end. It works for anyone who wants a complete high-quality gasket kit with all required parts included for a smooth, reliable fix.	View on Amazon (paid link)
Autoparts Top End Gasket Kit Set Fit for Honda TRX 400EX 1999-2014 trx400ex 400 Head gaskets	This top-end gasket kit is perfect for Honda TRX 400EX owners who need a reliable and easy-to-install replacement. It’s ideal for keeping your ATV running smoothly with high-quality materials that last long.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Top End Gasket Kits handpicked for performance, durability, and value. Each kit is expert-reviewed and backed by customer feedback, ensuring you get the best fit for your vehicle. Whether you’re a DIY enthusiast or a pro mechanic, this guide simplifies your search for reliable engine seals. Dive in to find the perfect gasket kit that meets your needs and keeps your engine running smoothly.

1. BIGLKNM Top End Gasket Kit for Harley Davidson EVO Big Twin 80ci 1340CC

This BIGLKNM top end gasket kit fits Harley Davidson EVO Big Twin 80ci 1340CC engines perfectly. It works for all 1994 to 1998 Dyna models. It also fits 1984 to 1998 Tour Glide and Softail models.
The kit has silicone head gaskets for a tight, leak-proof seal. All O-rings and seals use durable NBR material. This design makes your engine last longer and run smoother.
This complete top end gasket kit includes every part you need for top end engine work. It comes with head gaskets, cylinder base gaskets, rocker cover gaskets, seals, O-rings, and washers.

Pros	Cons
Fits many Harley Davidson models, saving you time and money. High-quality silicone and NBR materials extend engine life. Complete kit includes all essential gaskets and seals. Improves engine performance for a smoother ride.	Limited fitment to specific Harley Davidson models only. No instructions included for installation. Silicone head gaskets may require careful handling.

Perfect For:

This BIGLKNM Top End Gasket Kit is perfect for Harley Davidson EVO Big Twin owners who need a reliable and durable solution for their engine gaskets. It’s ideal for those with 1994-1998 Dyna, 1986-1998 Softail, or Tour Glide models looking to extend engine life and improve performance.

Ready to Purchase?

View Price on Amazon (paid link)

2. Tusk Top End Gasket Kit Compatible with Honda TRX 400EX 1999-2008/400X 2009-2014/XR400R 1996-2004

The Tusk Top End Gasket Kit is perfect for Honda TRX 400EX, 400X, and XR400R models. It fits 1999-2008 TRX 400EX, 2009-2014 TRX 400X, and 1996-2004 XR400R. This kit helps you rebuild your motorcycle or ATV’s top end.

Made from high-quality materials, it includes head and base gaskets and all necessary parts. It’s easy to use and ensures a reliable rebuild.

Pros	Cons
High-quality materials ensure durability and reliability. Complete kit includes all essential gaskets for top-end rebuilds. Compatible with Honda models from 1996 to 2014. Easy installation saves time and effort.	Only fits listed Honda models No instruction manual included May need extra sealant for fit

Perfect For:

This Tusk Top End Gasket Kit is perfect for riders who need to rebuild their motorcycle or ATV’s top end. It’s ideal for Honda TRX 400EX, 400X, or XR400R owners looking for high-quality, reliable parts.

Ready to Purchase?

View Price on Amazon (paid link)

3. Tusk Top End Gasket Kit Compatible with Honda TRX 300FW 4X4 1988-1998/TRX 300P 1988-1998

This Tusk Top End Gasket Kit fits Honda TRX 300FW 4X4 and TRX 300P models from 1988 to 1998. Check the fitment guide image for more compatible machines.
These gaskets use the highest quality materials available. The kit has all needed head, base, and other gaskets for your top end rebuild.
It is easy to install. It fits your rebuild needs. It is a trusted repair part.

Pros	Cons
Perfect fit for your Honda TRX 300. High-quality materials for long life. Complete kit includes all needed gaskets. Easy to install saves time and effort. Durable performance under tough conditions.	Specific fit, check model first. No tools included, buy separately. Skill needed, not for beginners.

Perfect For:

This Tusk Top End Gasket Kit is perfect for Honda TRX 300FW 4X4 and TRX 300P owners who need to rebuild their ATV’s top end. It’s ideal for those seeking high-quality, complete kits to get their vehicle running smoothly again.

Ready to Purchase?

View Price on Amazon (paid link)

4. Hoypeyfiy Top and Bottom end Complete Gasket Kit Set Replacement for Yamaha Warrior Raptor Big Bear 350

The Hoypeyfiy Gasket Kit is a complete replacement for Yamaha ATVs. It fits top and bottom ends of several models.

This kit works for Big Bear, Bruin, Kodiak, Raptor, and Warrior. It covers specific years for each model. Check your ATV’s year for a perfect fit.

The package includes all pictured gaskets. Installation is straightforward. Satisfaction is guaranteed with full support.

Pros	Cons
Fits multiple Yamaha models, ensuring wide compatibility. Complete gasket kit for top and bottom end repairs. Durable replacement for long-lasting performance. Satisfaction guaranteed with reliable customer support.	Limited vehicle compatibility – not a universal fit for all models. No tools included – requires separate purchase for installation. Basic packaging – lacks premium unboxing experience.

Perfect For:

This gasket kit is perfect for Yamaha owners who need a reliable replacement for their Big Bear, Bruin, Kodiak, Raptor, or Warrior 350/400 models. It’s easy to install and fits multiple years, making it ideal for ATV enthusiasts.

Ready to Purchase?

View Price on Amazon (paid link)

5. Street Sport Industries Top End Gasket Kit for Harley Engine EVO Big Twin 80ci 1340CC 1984–1998, Silicone Standard Bore HeadGasket, Rocker CoverGasket & More, Compatible with Standard Bore Engines

Street Sport Industries Top End Gasket Kit for Harley Engine EVO Big Twin 80ci 1340CC 1984–1998, Silicone Standard Bore HeadGasket, Rocker CoverGasket & More, Compatible with Standard Bore Engines

This top-end gasket kit is made for Harley EVO 1340 engines. It fits 1984–1998 Big Twin models. Perfect for standard bore engines.

The kit includes all gaskets needed for a full top-end rebuild. No more guessing or missing parts. Everything is ready for installation.

Durable materials handle heat and pressure. Great for DIY riders or pros. Restores engine performance and prevents leaks.

Pros	Cons
Exact fit for 1984–1998 Harley EVO 1340 engines All parts included for full top-end rebuild, no guesswork Stops leaks and restores engine compression fast Tough build resists heat, vibration, and high pressure Easy to install for DIY riders or pro mechanics	Not for all Harleys – Only fits specific EVO models. No tools included – You’ll need your own for installation. Not for high-performance mods – Designed for standard bore engines only.

Perfect For:

This top-end gasket kit is perfect for Harley EVO owners who want to refresh their engine or restore a classic bike. It’s great for DIY riders or pro mechanics looking for a reliable, all-in-one solution.

Ready to Purchase?

View Price on Amazon (paid link)

6. Vertex Top End Gasket Kit for Polaris ATV Sportsman 400 HO 4×4 1995-2014

Vertex Top End Gasket Kit for Polaris ATV Sportsman 400 HO 4x4 1995-2014

Vertex Top End Gasket Kit fits your 1995-2014 Polaris Sportsman 400 HO 4×4 ATV. It is an OEM replacement part built to match original factory specs.

All parts pass engineer-tested quality checks for top performance. The kit fits and works exactly like your original gasket. New and pro mechanics use this part for their ATV repairs.

Your purchase comes with a 1-year hassle-free warranty. If the part fails, we will replace it for free. Contact our team anytime for help with a replacement.

Pros	Cons
Perfect fit for Polaris Sportsman 400 HO. Engineer-tested for top performance and reliability. Mechanic-approved quality, just like the original. 1-year warranty ensures hassle-free peace of mind.	Not for all Polaris models, check compatibility first. No installation tools included, buy separately. Limited to top-end gaskets, other parts not covered.

Perfect For:

This Vertex Top End Gasket Kit is perfect for Polaris ATV Sportsman 400 HO 4×4 owners who need a reliable replacement for their 1995-2014 models. It’s ideal for those seeking OEM-quality parts that fit and perform like the originals.

Ready to Purchase?

View Price on Amazon (paid link)

7. BIGLKNM 57 PCS Top End Gasket for Sportster 1200 Sport Custom XLH1200 91-03

The BIGLKNM 57 PCS Top End Gasket is a must-have for Sportster 1200 owners. It fits 1991-2003 models perfectly, ensuring a leak-free rebuild.

High-quality materials resist heat, making it durable. Easy to install, it replaces the original parts effortlessly.

The 57-piece kit includes everything needed for top and bottom end repairs. No leaks, no hassle—just a reliable fix.

Pros	Cons
Perfect fit for 1991-2003 Sportster 1200 models High-temp durable material for long service life No leak after full top/bottom rebuild Easy install, fits like original part All 57 parts included, no extra buys needed	No instructions included, might need expert help. Limited to specific Sportster models only. Many small parts, easy to lose during installation.

Perfect For:

This 57-piece gasket kit is perfect for motorcycle enthusiasts who own a Sportster 1200 and want to rebuild their engine with high-quality, long-lasting parts. It’s easy to install and comes with everything needed for a leak-free repair.

Ready to Purchase?

View Price on Amazon (paid link)

8. BH-Motor New Complete Gasket Kit Top & Bottom End Set for Honda 400EX TRX400EX TRX 400EX 1999-2004

The BH-Motor Gasket Kit is a complete set for your Honda 400EX. It fits top and bottom ends, ensuring a perfect seal.

This kit works for 1999-2004 models. It’s easy to install and built to last. Keep your ATV running smoothly.

Pros	Cons
Exact fit for 1999-2004 Honda 400EX Complete top and bottom end gasket set No extra parts needed for install Durable BH-Motor quality built to last Stops oil leaks for smooth ATV runs	Limited compatibility with other ATV models. No tools included for installation. Basic packaging, lacks premium protection.

Perfect For:

This gasket kit is perfect for Honda TRX400EX owners who need a reliable replacement for their 1999-2004 model. It’s ideal for those looking to restore their ATV’s performance.

Ready to Purchase?

View Price on Amazon (paid link)

9. Tusk Top End Gasket Kit Compatible with Yamaha YFZ 450 2004-2013/YZ450F 2003-2005/WR450F 2003-2006

This Tusk Top End Gasket Kit fits compatible Yamaha YFZ 450, YZ450F, and WR450F models. It has every part you need for a top end rebuild.

All gaskets in this kit are made from top quality materials. They hold up to engine heat and pressure. They last a long time even with heavy use.

This complete top end rebuild kit includes head and base gaskets. It also has all other small parts you need. Check the fitment guide image to confirm it fits your model.

Pros	Cons
Top-quality materials ensure long-lasting and dependable performance. All-in-one kit includes every gasket needed for top-end repairs. Fits many models, making it versatile and convenient. Budget-friendly solution for motorcycle and ATV maintenance.	Not universal, check fitment guide before buying. No tools included, requires separate purchase for installation. Top end only, doesn’t cover full engine rebuild.

Perfect For:

This product is perfect for Yamaha off-road riders and DIY mechanics who own a 2004-2013 YFZ 450, 2003-2005 YZ450F, or 2003-2006 WR450F and need to rebuild their top end. It works for anyone who wants a complete high-quality gasket kit with all required parts included for a smooth, reliable fix.

Ready to Purchase?

View Price on Amazon (paid link)

10. Autoparts Top End Gasket Kit Set Fit for Honda TRX 400EX 1999-2014 trx400ex 400 Head gaskets

The Autoparts Top End Gasket Kit is perfect for Honda TRX 400EX models from 1999 to 2014. It includes high-quality head gaskets designed for a perfect fit.

This kit is easy to install and built to last a long time. It uses top-quality materials for gaskets, o-rings, and seals, ensuring reliable performance.

Pros	Cons
Perfect fit for Honda TRX 400EX (1999-2014). Easy installation saves time and effort. High-quality materials ensure long-lasting performance. Top-quality gaskets, o-rings, and seals for reliable sealing.	Not for all Honda models, check compatibility first. No tools included, buy separately for installation. Limited to top-end repairs, not a full engine kit.

Perfect For:

This top-end gasket kit is perfect for Honda TRX 400EX owners who need a reliable and easy-to-install replacement. It’s ideal for keeping your ATV running smoothly with high-quality materials that last long.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Top end gasket kits keep your engine leak-free and running smoothly. Choosing the right one saves time and money.

Factors to Consider When Buying:
– Compatibility: Check if the kit fits your make and model. Look for specific years and engine types to avoid mistakes.
– Material Quality: Choose kits with durable materials like silicone or NBR. They handle heat and pressure better and last longer.
– Completeness: Ensure the kit includes all necessary parts (head gaskets, O-rings, seals, etc.). A complete kit makes repairs easier.
– Ease of Installation: Look for kits with clear instructions or straightforward designs. This helps DIYers and pros alike.
– Brand Reputation: Trusted brands often offer better quality and warranties. Check reviews for reliability and customer support.
– Price vs. Value: Compare prices, but don’t sacrifice quality. A good kit pays for itself by preventing future issues.

Engaging Experience:
Finding the right top end gasket kit is like solving a puzzle. With the perfect fit, your engine roars back to life. Whether you’re a DIY enthusiast or a pro mechanic, the right kit makes repairs stress-free and satisfying.